The Extraction of Aluminium.

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The Extraction of Aluminium

The metal aluminium is a very important to many of the worlds industries how ever it requires a special process called electrolysis to extract it form other metals which is commonly found with. As i mentioned aluminium is an extremely useful metal and has many uses which we depend on in our daily life's which are any thing from packaging to being used in transportation. This means that we have to to be able to extract aluminium, as it is extremely rare to find aluminium as a free metal. In fact, it is know to combine with over 270 other metals. Extraction is a major problem for aluminium and there is no ideal solution. However there are many not so perfect solutions that are currently being practiced today. In this essay I will look into some of the limitations and benefits of the current extraction techniques. I will also look at some of the economic and environmental effects the extraction of aluminium has.
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When aluminium is extracted from the other metals it must go through processes called electrolysis. Aluminium is not an easy metal to extract from other metals it is found in nature with, therefore it takes a lot of electricity to extract aluminium. Because it is such an energy consuming processe researchers have found ways to cut down the energy usage by adding different compounds to the aluminium. The most common way to do this is to add molton cryolite to the molton aluminium. With adding molton cryolite to the molton aluminium alone it effectively lowers the temperature needed ...

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